<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;}
#l-map{height:100%;width:78%;float:left;border-right:2px solid #bcbcbc;}
#r-result{height:100%;width:20%;float:left;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.4"></script>
<title>单个标注点沿直线的轨迹运动</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
var map = new BMap.Map("allmap");
map.centerAndZoom(new BMap.Point(104.07,30.66), 15);
var myP1 = new BMap.Point(104.072276,30.663321);    //起点
var myP2 = new BMap.Point(104.064191,30.678892); 
var myP3 = new BMap.Point(104.0948,30.653788); 
var myIcon = new BMap.Icon("sport.png", new BMap.Size(32, 70), {    //小车图片
    //offset: new BMap.Size(0, -5),    //相当于CSS精灵
    imageOffset: new BMap.Size(0, 0)    //图片的偏移量。为了是图片底部中心对准坐标点。
  });
var driving2 = new BMap.DrivingRoute(map, {renderOptions:{map: map, autoViewport: true}});    //驾车实例
driving2.search(myP1, myP2);    //显示一条公交线路

window.run = function (){
    var driving = new BMap.DrivingRoute(map);    //驾车实例
    driving.search(myP1, myP2);
    driving.setSearchCompleteCallback(function(){
        var pts = driving.getResults().getPlan(0).getRoute(0).getPath();    //通过驾车实例，获得一系列点的数组
        var paths = pts.length;    //获得有几个点

        var carMk = new BMap.Marker(pts[0],{icon:myIcon});
        map.addOverlay(carMk);
        i=0;
        function resetMkPoint(i){
            carMk.setPosition(pts[i]);
            if(i < paths){
                setTimeout(function(){
                    i++;
                    resetMkPoint(i);
                },100);
            }
        }
        setTimeout(function(){
            resetMkPoint(5);
        },100)

    });
}

setTimeout(function(){
    run();
},1500);



</script>
